private void AddComponentsToMesh(gltf.Mesh targetMesh, ShapeComponentIds osgGeom, int materialIndex)
{
gltf.MeshPrimitive thisPrimitive = new gltf.MeshPrimitive();
Dictionary <string, int> att = new Dictionary <string, int>();
att.Add("NORMAL", osgGeom.NormalsAccessorId);
att.Add("POSITION", osgGeom.VerticesAccessorId);
thisPrimitive.Attributes = att;
thisPrimitive.Indices = osgGeom.IndicesAccessorId;
thisPrimitive.Material = materialIndex;
thisPrimitive.Mode = gltf.MeshPrimitive.ModeEnum.TRIANGLES;
int initSize = targetMesh.Primitives != null
? targetMesh.Primitives.Length
: 0;
if (initSize == 0)
{
targetMesh.Primitives = new gltf.MeshPrimitive[] { thisPrimitive };
}
else
{
var concat = targetMesh.Primitives.ToList();
concat.Add(thisPrimitive);
targetMesh.Primitives = concat.ToArray();
}
}
private ShapeComponentIds AddGeom(List <float> positions, List <int> indices, List <float> normals)
{
// indices
ShapeComponentIds ret = new ShapeComponentIds();
ret.IndicesAccessorId = AddIndices(indices);
ret.NormalsAccessorId = AddCoordinates(normals);
ret.VerticesAccessorId = AddCoordinates(positions);
return(ret);
}
